import sys

import pygame

def run_game():
    pygame.init()
    screen = pygame.display.set_mode(1200,800)
    pygame.display.set_caption("外星人入侵")
    
    while true:
    
        for event in pygame.event.get():
            if even.type == pygame.QUIT:
                sys.exit()
        pygame.display.flip()
run_game()